Parking assist device and method for assisting parking

• US 20030156045A1
• Filed: 01/23/2003
• Published: 08/21/2003
• Est. Priority Date: 01/23/2002
• Status: Active Grant

• Current Assignee: Aisin Seiki Co., Ltd. (Aisin Corp.)
• Original Assignee: Aisin Seiki Co., Ltd. (Aisin Corp.)
• Inventors: Satonaka, Hisashi, Kataoka, Hiroaki, Endo, Tomohiko, Iwazaki, Katsuhiko, Kawakami, Seiji, Morita, Mitsuhiko, Tanaka, Yuu, Iwata, Yoshifumi
• Granted Patent: US 6,919,822 B2
• Time in Patent Office: Days
• US Class Current: 340/932.2
• CPC Class Codes: B60Q 9/004 using wave sensors radar designed for anti-collision purposes between land vehicles or between land vehicles and fixed obstacles G01S13/931
• CPC Class Codes: B60T 2201/10 Automatic or semi-automatic parking aid systems
• CPC Class Codes: B62D 15/0285 Parking performed automatically

Abstract

According to a parking assist device and a method for assisting parking of the invention, when a parking assist is canceled after a start of the parking assist, and the parking assist is restarted, a target parking position (P2B) is reset at a reset position (P1B). In the invention, at this time, the target parking position (P2B) is determined based on a target parking position (P2A) which is set at a parking preparation position (P1A), and the determined target parking position (P2B) is displayed on a screen of a monitor (4) as a default display position of a target parking frame (11) at a reset time.

Claims

1. A parking assist device which is provided with image capturing means (5) for capturing an image of an area outside the vehicle, and displaying means (4) for displaying the captured image, and displays a target parking frame (11) on a screen of the displaying means (4) to assist a parking operation executed by a driver of the vehicle characterized in that

when a parking assist is canceled after a start of the parking assist, and the parking assist is restarted, the parking assist device determines a target parking position (P2B) at a restart time of the parking assist based on a target parking position (P2A) set prior to the restart time of the parking assist, and displays the determined target parking position (P2B) on the screen of the displaying means (4) as a default display position of the target parking frame (11) at a reset time.

2. The parking assist device according to claim 1, characterized in that

a moving amount (Δ

φ

, Δ

X, Δ

Z) of the vehicle obtained from when the target parking position (P2A) is set prior to the restart time of the parking assist until when the parking assist is restarted is determined, and the target parking position (P2B) at the restart time is determined by moving the target position (P2A) set prior to the restart by the moving amount of the vehicle.

3. The parking assist device according to claim 1 or 2, characterized in that

the target parking frame (11) determined based on the target parking position (P2B) at the restart time is displayed as a default display on the screen.

4. The parking assist device according to claim 3, characterized in that

the parking assist device further comprise restart judging means for judging whether a setting of the target parking position (P2) is a setting of the target parking position (P2B) at the restart time, and

the target parking frame (11) is displayed as the default display on the screen when the setting of the target parking position is judged as the target parking position (P2B) at the restart time by the restart judging means.

5. The parking assist device according to any one of claims 1 to 4, characterized in that

the target parking frame (11) is displayed on the screen of the monitor (4) during execution of the parking assist.

6. The parking assist device according to claim 5, characterized by further comprising:

target parking position setting means (5) which includes a portion operated by a driver of the vehicle so as to move the target parking frame (11) displayed on the monitor (4) on the screen, and a portion operated by the driver so as to set the displayed target parking frame (11) as the target parking position (P2).

7. A method for assisting a parking operation by displaying an image captured by image capturing means (5) of a vehicle and a target parking position (11) on a screen of displaying means (4) provided inside the vehicle characterized in that

when a parking assist is canceled after a start of the parking assist, and the parking assist is restarted, a target parking position (P2B) at the restart time is determined based on a target parking position (P2A) which is set prior to the restart time of the parking assist, and the determined target parking position (P2B) is displayed on the screen of the displaying means (4) as a default display position of the target parking frame (11) at a reset time.